Bilabial creates the sounds associated with the letters b, p, and m. It is created when lips are pressed together. These and other speech sounds are considered:
  1. Sound gradation
  2. Anatomic sound formation
  3. Sound irregularities
  4. Anatomic speech mechanisms
Explanation
Answer: B - Bilabial creates the sounds associated with the letters b, p, and m. It is created when lips are pressed together. These and other speech sounds are anatomic sound formations. Speech formation biomechanically contains air cavities (specific volume), pistons (volume initiator), and air valves (volume regulator).
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